{"id":"41e8bb5d-ba5b-447f-9331-8dd4d38ab60f","shortId":"zqsCcz","kind":"x402","title":"Get the current price of RUNE token via a pay-per-call x402 endpoint on Base.","tagline":"Get the current price of RUNE token via a pay-per-call x402 endpoint on Base.","description":"This endpoint returns the current price of the RUNE token (THORChain) in JSON format. It is part of the lowpaymentfee.com platform, which offers a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML, finance, crypto, and utility services. All endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint at `/api/v1/tokens/RUNE/price` accepts POST requests and charges $0.02 per call (20,000 base units of USDC, which has 6 decimals). Payment is handled via the x402 `X-PAYMENT` header — no API keys, accounts, or rate limits are required. The endpoint was confirmed live, returning a proper 402 challenge with x402 version 1.\n\nThe platform advertises a broad set of similarly priced endpoints ($0.02 each) covering token quotes, exchange rates, gas estimates, sentiment analysis, text summarization, embeddings, geocoding, and more. Documentation pages exist but appear to require a wallet connection and contain no additional technical detail beyond what the landing page and 402 challenge provide. No OpenAPI schema or detailed response format documentation was found.","tags":[],"capabilities":["token-price-lookup","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","crypto-market-data"],"categories":["finance","crypto"],"synonyms":["RUNE price API","THORChain price","token price feed","crypto price endpoint","x402 crypto API","RUNE market data","pay-per-call price API"],"warnings":["No response schema or example response documented — output format is unknown","Documentation pages (/docs, /pricing, /api, /README) contain no useful content beyond 'Connect wallet'","No OpenAPI or machine-readable schema available","The specific endpoint path /api/v1/tokens/RUNE/price is not listed on the landing page; it was only discovered via the probe URL itself"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no documented response format, no example responses, and the docs/pricing/README pages all resolve to a bare 'Connect wallet' stub with no useful 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'0.02':105,161 '000':109 '1':150 '20':108 '402':145,200 '6':116 'RUNE market data' 'RUNE price API' 'THORChain price' 'accept':100 'account':131 'addit':191 'advertis':153 'ai/ml':72 'analysi':171 'analyt':71 'api':68,129 'appear':182 'base':17,34,93,110 'base-network' 'beyond':194 'broad':155 'call':13,30,107 'challeng':146,201 'charg':104 'collect':59 'confirm':140 'connect':187 'contain':189 'cover':163 'crypto':74 'crypto price endpoint' 'crypto-market-data' 'current':3,20,39 'data':70 'decim':117 'detail':193,207 'document':178,210 'embed':174 'endpoint':15,32,36,79,97,138,160 'estim':169 'exchang':166 'exist':180 'financ':73 'format':48,209 'found':212 'gas':168 'geocod':175 'get':1,18 'handl':120 'header':127 'json':47 'key':130 'land':197 'limit':134 'live':141 'lowpaymentfee.com':54 'network':94 'no-api-key' 'offer':57 'openapi':204 'page':179,198 'part':51 'pay':11,28,65 'pay-per-cal':10,27 'pay-per-call price API' 'pay-per-request':64 'payment':86,118,126 'per':12,29,66,106 'platform':55,82,152 'post':101 'price':4,21,40,159 'proper':144 'protocol':63,87 'provid':202 'quot':165 'rate':133,167 'request':67,102 'requir':136,184 'respons':208 'return':37,142 'rune':6,23,43 'schema':205 'sentiment':170 'servic':77 'set':156 'settl':88 'similar':158 'span':69 'specif':96 'summar':173 'technic':192 'text':172 'thorchain':45 'token':7,24,44,164 'token price feed' 'token-price-lookup' 'unit':111 'usdc':90,113 'usdc-settlement' 'use':83 'util':76 'version':149 'via':8,25,121 'wallet':186 'x':125 'x-payment':124 'x402':14,31,62,85,123,148 'x402 crypto API' 'x402-payment' 'x402-protocol':61","prices":[{"id":"cd6ecfb9-8045-45aa-9c2a-d0923611d492","listingId":"41e8bb5d-ba5b-447f-9331-8dd4d38ab60f","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:20.716Z"}],"sources":[{"listingId":"41e8bb5d-ba5b-447f-9331-8dd4d38ab60f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:20.716Z","lastSeenAt":"2026-04-23T20:33:02.870Z"}],"details":{"listingId":"41e8bb5d-ba5b-447f-9331-8dd4d38ab60f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/RUNE/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with x402 version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/RUNE/price"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current RUNE (THORChain) token price for trading bots or dashboards","Integrating real-time crypto price data into an AI agent workflow without managing API keys","Building a portfolio tracker that pays per request with no subscription commitment"],"bestFor":["Agents or bots that need on-demand RUNE price data without account setup","Developers wanting low-friction, pay-per-call crypto price feeds on Base","x402-compatible clients looking for cheap micro-payment API access"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need historical OHLCV or candlestick data (only current price indicated)","Anyone without a Base-network USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:47.08Z"},"updatedAt":"2026-04-23T20:33:02.870Z"}}